What's Changed
* Align the search button with other icons by 12rambau in https://github.com/pydata/pydata-sphinx-theme/pull/1620
* Fix sticky header by gabalafou in https://github.com/pydata/pydata-sphinx-theme/pull/1630
* Fix missing sidebar by drammock in https://github.com/pydata/pydata-sphinx-theme/pull/1632
* Add missing "footer_center" in layout overview diagram by jorisvandenbossche in https://github.com/pydata/pydata-sphinx-theme/pull/1640
* Make bootstrap globally available by michael-wisely-gravwell in https://github.com/pydata/pydata-sphinx-theme/pull/1639
* Add Brightway to Featured Example Gallery Grid by michaelweinold in https://github.com/pydata/pydata-sphinx-theme/pull/1580
* Move the release instructions to the repository by 12rambau in https://github.com/pydata/pydata-sphinx-theme/pull/1621
* Make search event listener only trigger with “K”/“k” by flying-sheep in https://github.com/pydata/pydata-sphinx-theme/pull/1646
* More speedups to section TOC rendering by drammock in https://github.com/pydata/pydata-sphinx-theme/pull/1642
* Allow only theme_footer_center to be set by cmarqu in https://github.com/pydata/pydata-sphinx-theme/pull/1653
* Allow user to control the back-to-top button presence by 12rambau in https://github.com/pydata/pydata-sphinx-theme/pull/1616
* Remove toggle button for secondary sidebar if empty by PierreMarchand20 in https://github.com/pydata/pydata-sphinx-theme/pull/1637
New Contributors
* michael-wisely-gravwell made their first contribution in https://github.com/pydata/pydata-sphinx-theme/pull/1639
* flying-sheep made their first contribution in https://github.com/pydata/pydata-sphinx-theme/pull/1646
* cmarqu made their first contribution in https://github.com/pydata/pydata-sphinx-theme/pull/1653
* PierreMarchand20 made their first contribution in https://github.com/pydata/pydata-sphinx-theme/pull/1637
**Full Changelog**: https://github.com/pydata/pydata-sphinx-theme/compare/v0.15.1...v0.15.2